Ionia Weather Forecast

    • 69
    • 83

    Rain Showers Likely

    • 70
    • 87

    Rain Showers Likely

    • 61
    • 85

    Rain Showers

    • 62
    • 82

    Partly Sunny

    • 54
    • 79

    Chance Thunderstorms

    • 54
    • 71

    Chance Rain Showers

Today 10 Jun Ontario

Showers likely with a chance of Thunderstorms. Near steady Temperatures Ranging from the upper 70s on the Hilltops to the mid 80s across the lower Elevations. Southwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph. Chance of rain 70 percent.

Tonight 10 Jun Ontario

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers overnight. Warm and muggy with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming light. Chance of rain 40 percent.

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Ionia Temperature Statistics

June Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 2 June, 2026

    43.6 °F
  • Average June

    66 °F
  • Highest 5 June, 2026

    86.6 °F

Climate (2021–Present)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2021–2026

    42.3 °F
  • Average 2021–2026

    50.8 °F
  • Average High 2021–2026

    59.5 °F
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